CentOS 6 Virtual Machine Ethernet is not detected after copying it to another PC.

error : eth1 does not seem to be present delaying initialization

To resolve above issue follow steps below.
1. To view available network adaptors
# ip link show (Notedown the mac address)

2.To set eth1 as eth0
# ip link set eth1 name eth0

3. edit the eth0 config file and change the mac address.
# vi /etc/sysconfig/network-scripts/ifcfg-eth0

4. Restart network services
$ service network restart

OR

5. Remove the following file.
rm -f /etc/udev/rules.d/70-persistent-net.rules

and restart the server.

Hope this helps...